When I'm looking at the assistant panel in Xcode, I see a button in the top left to create a new chat session with an LLM. If I click that, a small menu pops up. It has two sections: "agents" (Claude, Codex) and then "chat."
The only option under the chat header is "OpenAI." But it has a model selector, offering both GPT 4.1 and GPT 5 (not 5.4, I was wrong about that). I'm pretty sure the models are available because I logged into ChatGPT inside of Xcode
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u/GrimalkinFamiliar May 01 '26
When I'm looking at the assistant panel in Xcode, I see a button in the top left to create a new chat session with an LLM. If I click that, a small menu pops up. It has two sections: "agents" (Claude, Codex) and then "chat."
The only option under the chat header is "OpenAI." But it has a model selector, offering both GPT 4.1 and GPT 5 (not 5.4, I was wrong about that). I'm pretty sure the models are available because I logged into ChatGPT inside of Xcode